<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>日历</title>
    <link rel="stylesheet" href="jquery-ui/jquery-ui.css">
    <script src="jquery-1.12.4.min.js"></script>
    <script src="jquery-ui/jquery-ui.min.js"></script>
  </head>
  <body>
    <div id="datepicker"></div>
    <script>
       $('#datepicker').datepicker();
    </script>
  </body>
</html>